The anti-virus software manufacturer Symantec warns of a dangerous new virus that will be released on December 25th. this year should strike on Windows computers. The hybrid of the W32.Kriz and W32.hllw.bymer.worm viruses tries to infect all files that are opened.
Since it also infects the kernel32.dll, the virus spreads quickly to the entire system from where it can then attack the BIOS. A tool for elimination and prevention is available from Symantec.